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Riverhawk HSIG Tensioning System for GE Turbines

Riverhawk Company is well known as an engineered solutions provider. We have been challenged over the years to develop solutions across many industries: Petrochemical, Oil & Gas, Nuclear, Wind, Industrial and more. General Electric challenged us to upgrade our tooling …

Best Practices for Critical Fastening Applications on Gas Turbines

Advancements in engineering design and analysis tools have allowed many new products to be developed for maintaining and operating gas turbines. They are not only safer, but they also allow for faster and easier operation as well as cost savings. Some …

Torque Measurement with Strain Gage Technology

Strain Gage Accuracy Measuring torque in a rotating shaft can be done in a variety of ways. Riverhawk has been producing a strain gage based torque measuring system since the late 1970’s (formerly known as Indikon). Strain gages remain the …

Stick-Slip in Long Shaft Systems

Stick-slip is a phenomenon that occurs in mechanical systems where resistance to motion is due mostly to coulomb type friction. Coulomb friction is characterized by resistance that is one value when contacting surfaces are stationary relative to one another and …

Torsional Vibration in Turbomachinery Shafting

Torsional Vibration of shafting in general is a very broad subject which can cover shafting of greatly varying configurations that respond to a broad range of excitations. Here we will focus, initially at least, on shafting in turbomachines which are …

Riverhawk Product Spotlight – Hydraulic Hub Installation Kits

For many years Riverhawk, has provided hydraulic hub installation kits. These kits include but are not limited to: hydraulic pushers, pullers, pump kits and fittings. In conjunction with the installation kits, Riverhawk manufactures gauge sets and lapping tool sets used …

Riverhawk Product Spotlight – Hydraulic Tensioning

Hydraulic External Tensioner (HET) HET’s are tools that apply hydraulic preloads to studs by gripping the exposed threads above an existing nut. It does this by creating axial loads using hydraulic pressure to stretch the stud rather than torqueing the …

Riverhawk Going Green with Hydraulic Oil

Over the past several months, Riverhawk has been performing some extensive testing with a new environmentally safe hydraulic fluid. This potential new fluid is biodegradable and therefore much more environmentally friendly. We have undergone numerous test with this oil to …

Riverhawk Product Spotlight – Hydraulic Torque Coupler (HTC)

The Riverhawk Hydraulic Torque Coupler (HTC) provides high integrity keyless fit joints for coupling hubs on shaft ends using convenient, low cost slip-fit designs. Our design eliminates heat at assembly as well as keys, splines, tapered shafts, plug/ring gauges and …

Product Overview: The Riverhawk Torque Blocker

The Riverhawk Torque Blocker is a mechanical fuse that can be installed in a drive train. When a torque overload occurs, the Torque Blocker will release and allow the driver and load equipment to coast down separately without damaging downstream …

500N Series Vibration Monitoring Systems Development

Riverhawk has a large installed customer base of 500 Series Vibration Monitoring Systems. To better provide continued support to that base and address new opportunities, Riverhawk is developing a new vibration monitoring system designated as the 500N Series. The updated …

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